a command to add container into a running pod on k8s
install a docker desktop and enable the k8s
docker build -t ejunjsh/kadd-controller:1.0 .
cd cmd/kadd
go install
kadd vpnkit-controller bash -n kube-system --image nginx
# above command means you add a container whose image is nginx and that container run in the vpnkit-controller pod whose namespace is kube-system